Home / 936,911.09-1,292,941.42-507,191.22

Finding the Fourth Proportional to 936,911.09, 1,292,941.42 and 507,191.22

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Solution

The fourth proportional to 936,911.09, 1,292,941.42 and 507,191.22 is: 699,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,911.09 : 1,292,941.42 = 507,191.22 : x
  2. Step 2: Convert to fraction form
    936,911.09/1,292,941.42 = 507,191.22/x
  3. Step 3: Cross multiply
    936,911.09x = 1,292,941.42 × 507,191.22
  4. Step 4: Simplify right side
    936,911.09x = 655,768,534,930.35
  5. Step 5: Solve for x
    x = 655,768,534,930.35/936,911.09
  6. Step 6: Final answer
    x = 699,926.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.